Answer: D. Fermata
Reasoning: Composers use a fermata () to indicate that musicians should hold or sustain a note longer than its intended value. Exactly how long to stretch the note is not defined, but a note marked with a fermata can even double in length.
Answer:
Therapy, group sessions and lotions
Answer: D. The big finish of a sonata
Explanation: The coda is usually the end of a piece. This can be either a couple measures, or even an entire section of the piece.
Its an awkwardly asked question, but the Persian Wars are often seen as the end of the classical period.